i has download suzuki gsx sound mod..when i install, i forgot to backup that sound...when i play the game...i hear the new sound like shit...sOo i want chg back...but i forgot to backup file before...n i try replace with 1000_SUPERBIKE.ivaud....when in the game...my 600_sound bike has Crash...(no sound)..sOoo i need back original sound (600_STREETBIKE.ivaud)